[INFO] fetching crate silpkg 0.1.4...
[INFO] testing silpkg-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate silpkg 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate silpkg 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate silpkg 0.1.4
[INFO] tweaked toml for crates.io crate silpkg 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silpkg 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate silpkg 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log v0.2.17
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded tracing-core v0.1.33
[INFO] [stderr]   Downloaded test-log-macros v0.2.17
[INFO] [stderr]   Downloaded overload v0.1.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.19
[INFO] [stderr]   Downloaded matchers v0.1.0
[INFO] [stderr]   Downloaded colorchoice v1.0.3
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.7
[INFO] [stderr]   Downloaded anstyle v1.0.10
[INFO] [stderr]   Downloaded anstream v0.6.18
[INFO] [stderr]   Downloaded anstyle-query v1.1.2
[INFO] [stderr]   Downloaded silpkg-macros v0.2.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded bitflags v2.9.0
[INFO] [stderr]   Downloaded anstyle-parse v0.2.6
[INFO] [stderr]   Downloaded flate2 v1.1.1
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded jiff-static v0.2.13
[INFO] [stderr]   Downloaded hashbrown v0.15.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.25
[INFO] [stderr]   Downloaded portable-atomic v1.11.0
[INFO] [stderr]   Downloaded zerocopy v0.8.25
[INFO] [stderr]   Downloaded jiff v0.2.13
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e
[INFO] running `Command { std: "docker" "start" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling silpkg-macros v0.2.0
[INFO] [stderr]    Compiling silpkg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(doc_cfg)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `silpkg` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e", kill_on_drop: false }`
[INFO] [stdout] ab71c64da8e869cbd6964974060db84d3f31a9a0cb6863e888aadbdf7fe6a01e
